Greases
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
Pyroplex
®
Gold
Industry Test Results
Timken OK Load (ASTM D 2509)
Castrol Pyroplex Gold proves its excellent load-carrying capacity by passing the Timken load test with a
70-pound load. e ability to withstand this load is testimony to Castrol Pyroplex Gold's ability to maintain a
substantial protective film around critical components, even during high load conditions.
4-Ball Weld Test (ASTM D 2596)
Castrol Pyroplex Gold easily passes the 4-Ball Weld test under the highest load possible (800 kg), which is
testimony to its outstanding extreme pressure performance.
Extreme Pressure Protection Comparison
Four-Ball Weld Method
800
700
600
500
400
300
200
100
0
Four-Ball
Weld
Point
(kg)
Castrol
Pyroplex
Gold
Competitor
A
Competitor
B
Competitor
C
Mobility and Water Spray Off
Castrol Pyroplex Gold boasts excellent mobility through a wide temperature range and still has excellent
staying power as evidenced by this chart. Castrol Pyroplex Gold combines the staying power of a NLGI grade
3 grease with the mobility of a NLGI grade 1 grease.
ASTM D 4049
Water Spray Off
Test Results
Competitor
A
Competitor
B
Castrol
Pyroplex
Gold
12% 18% 34% 74%
Competitor
C
F9